Botanicare Tray 4 ft x 8 ft ID - White Actinovate Factory Calibrated: our meters are

Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution

Compatible with Air Force Pro® 40

growers who were looking for an inexpensive

Bluelab pH 7 & Bluelab pH 4 Solution Sachets are now included

Botanicare Tray 4 ft x 8 ft ID - White Actinovate Factory Calibrated: our meters areBotanicare's redesigned white premium ID trays offer professional hydroponic gardens with superior quality and performance. The ID trays now include a 7 in deep seat that accommodates larger root masses, taller pots and deeper saturation. A curved drainage grid with wider channels simplifies cleaning while newly engineered corner gussets allow for greater support. The ID trays maintain Botanicare's standard inside dimensions for maximum growth space